[mvapich-discuss] Problem when running a calculation on multiple nodes : libibverbs.so.1 can not open ...

[Jonathan Perkins]

On Fri, Feb 05, 2010 at 06:55:54PM -0500, irfan bulu wrote:
> On Fri, Feb 5, 2010 at 6:28 PM, Jonathan Perkins wrote:
> > On Fri, Feb 05, 2010 at 05:53:01PM -0500, irfan bulu wrote:
> > > I have confirmed that libibverbs.so.1.0.0 is in /usr/lib64 and
> > > verbs.h is in /usr/include/infiniband directory. After installing
> > > mvapich2 I first tried running one of the examples on the master
> > > node. Everything runs fine. But when I tried running the same
> > > example on multiple nodes, I am getting the following error:
> >
> > Does libibverbs.so point to libibverbs.so.1 and libibverbs.so.1
> > point to libibverbs.so.1.0.0?  What about on the other nodes that
> > you're using?
>
> ThanksJonathan for your reply. The head node has both libibverbs.so
> and libibverbs.so.1 and they point to libibverbs.so.1.0.0. But, I
> couldn't locate libibverbs.so.1.0.0 on the other nodes (neither
> libibverbs.so nor libibverbs.so.1.0). Can I just copy
> libibverbs.so.1.0.0 from the head node to the other nodes and create
> appropriate links?

I wouldn't suggest copying.  You want to make sure that the installation
as a whole is correct on each node.  You'll want to reisntall ofed on
the nodes that are missing libibverbs.

-- 
Jonathan Perkins
http://www.cse.ohio-state.edu/~perkinjo
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